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Vehicular Impact Signaling Device

An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.

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Class 205/785 - With heating or temperature sensing


Subclass of Class 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
Definition: Subject matter which includes heating or detection of temperature,
No. of patents: 78
Last issue date: 05/29/2012


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NumberTitleIssue Date
8187454Degradation detector and detecting method
A degradation detector of an exhaust gas sensor is disclosed. The detector comprises a first heater resistance estimator (16) for estimating a resistance of a heater that heats the exhaust gas sensor, based on a device resistance of the exhaust gas sensor; a ...
05/29/2012
7955494Gas sensor control apparatus
The gas sensor control apparatus is for controlling a gas sensor including a sensor element having a solid electrolyte layer, and first and second electrodes located on opposite sides of the solid electrolyte layer, the first electrode serving as a gas detecting ele...
06/07/2011
7901562Oxygen sensor deterioration detection method
A deterioration detection apparatus for an oxygen sensor is able to detect an abnormality of the oxygen sensor constantly with high precision, without being affected by the temperature characteristic of the element impedance. The apparatus applies a voltage V to the...
03/08/2011
7481915Exhaust gas temperature measurement utilizing an exhaust gas sensor
A system for determining a temperature of exhaust gases from an engine is provided. The system includes an exhaust gas sensor having an electric heating coil. The sensor communicates with exhaust gases from the engine. The system further includes an electrical circu...
01/27/2009
7316767Gas sensing element
Provided is a multilayer gas sensing element having a high measurement accuracy and less susceptible to a leakage current. The element comprises an oxygen pump cell for adjusting an oxygen concentration in a measured gas chamber, a sensor cell for detecting a specif...
01/08/2008
7294252NOx sensor and methods of using the same
Disclosed herein are NOx sensors and methods of using the same. In one embodiment, a method for sensing NOx comprises: contacting a first NOx electrode with the gas, contacting a second NOx electrode with the gas, determining a NO2 emf between the first N...
11/13/2007
7285204Apparatus for detecting deterioration of air-fuel ratio sensor
In detecting a deterioration of an air-fuel ratio sensor, a sensor output change speed integrated value is calculated when an element temperature of a solid electrolyte is stabilized at a low temperature. Successively, a sensor output change speed integrated value i...
10/23/2007
7202794Flame detection system
A flame detection system includes a plurality of sensors for generating a plurality of respective sensor signals. The plurality of sensors includes a set of discrete optical radiation sensors responsive to flame as well as non-flame emissions. An Artificial Neural N...
04/10/2007
7193178Method and apparatus for controlling the heating of an oxygen sensor in a motor vehicle
Methods and apparatus are provided for controlling the heating of an oxygen sensor in a motor vehicle. The apparatus comprises an oxygen sensor for measuring oxygen levels in exhaust gases of a motor vehicle. The oxygen sensor comprising a heater rod, an outer elect...
03/20/2007
7132623Luminescence sensing system for welding
A method and apparatus can adaptively control a pulsed power arc welding process. A trainable system can recognize an empirical transfer mode from a signal emitted during an arc welding pulse and determine a pulsed power parameter set to produce a modified transfer ...
11/07/2006
7128818Method and apparatus for monitoring gases in a combustion system
A method and apparatus for monitoring and measuring gas concentrations in combustor applications is provided, wherein the apparatus is a gas sensor having a plurality of electrodes cooperating with a single electrolyte cell for detecting the presence and concentrati...
10/31/2006
7124622Sensing element for determining a physical property of a gas mixture
A sensing element for determining a physical property of a gas mixture, in particular the exhaust gas of internal combustion engines, includes a sensor element, arranged in a housing and connected to at least one electrical cable, as well as a molded piece, which se...
10/24/2006
7108185Apparatus and method for management of calibration data
An apparatus comprising a device having calibration data associated therewith, and a calibration tag placed on the device, the calibration tag having encoded thereon the calibration data or a locator identifying where the calibration data can be found. A process com...
09/19/2006
7066009Gas sensor
In a gas sensor internally including a sensing element for measuring a specific gas concentration of a measured gas, an outer surface thereof has a measured gas surface exposed to a measured gas and an atmosphere surface exposed to the atmosphere, and at least a por...
06/27/2006
7036982Method and apparatus to control an exhaust gas sensor to a predetermined termperature
The invention provides a control strategy and a control system to control a gas sensor to a target operating temperature. It relies upon both feedback and model-based feedforward control systems to achieve and then maintain the sensor at the target operating tempera...
05/02/2006
7017567Device and method for measuring element temperature of air-fuel ratio sensor, and device and method for controlling heater of air-fuel ratio sensor
A device according to the present invention is provided with element temperature measurement voltage application circuit for temporarily applying a predetermined voltage for element temperature measurement to a sensor element of an air-fuel ratio sensor equipped to ...
03/28/2006
6939037Determining the temperature of an exhaust gas sensor by means of calibrated internal resistance measurement
For achieving a highest possible measuring accuracy of a circuit for measuring the internal resistance of an exhaust-gas sensor, a method and a circuit for measuring the internal resistance R1 (10) of an electrochemical cell (12) are provided fo...
09/06/2005
6916415Heater drive circuit and drive method for a gas sensor
A method and device for driving a gas sensor includes a three-point circuit determining a temperature of a gas sensor having a resistive heating element by determining a measuring current with a measuring resistor flowing through the resistor in a measuring phase. T...
07/12/2005
6849174Gas concentration measuring apparatus designed to minimize error component contained in output
A gas concentration measuring apparatus which has a gas sensor designed to measure, for example, the concentrations of O2 and HOx contained in exhaust emissions of an automotive engine is provided. The apparatus includes a signal processing cir...
02/01/2005
6660143Oxygen sensor
A sensor structure having a metallic terminal member. The metallic terminal member 23 includes press portions 23d and 23e, which press the heating member 3 in a direction intersecting the center axis of a hollow portion 2a of an oxygen detection element 2...
12/09/2003
6649041Deterioration detector for exhaust gas sensor and method of detecting deterioration
The invention provides a deterioration detector for an exhaust gas sensor capable of detecting an amount of change with age of an internal resistance and conducting deterioration judgment taking into consideration fluctuation between products and temperat...
11/18/2003
6592731Amperometric oxygen sensor
A low cost amperometric oxygen sensor which utilizes a plurality of oxygen ion conductor layers interposed between a plurality of oxygen-porous electrode layers is provided. Oxygen from a sample gas enters the sensor at porous cathode electrodes, is pumpe...
07/15/2003
6547955Gas concentration measuring apparatus designed to minimize error component contained in output
A gas concentration measuring apparatus which has a gas sensor designed to measure, for example, the concentrations of O2 and HOx contained in exhaust emissions of an automotive engine is provided. The apparatus includes a signal processing cir...
04/15/2003
6533921Apparatus for detecting concentration of nitrogen oxide
Apparatus for detecting the NOx concentration includes a first measurement chamber 20 communicating with the gas under measurement via a diffusion rate defining layer 4d and a second measurement chamber 26 communicating with the first measurement chamber ...
03/18/2003
6524467Method for adjusting output characteristics of a gas sensing element based on application of electric power to this sensing element
Each gas sensing element, with a measured gas sensing electrode and a reference gas sensing electrode provided on opposite surfaces of a solid electrolytic body, is manufactured to have a limit current value whose initial value is offset from a target val...
02/25/2003
6497808Gas sensor
A gas sensor includes a sensor element. The sensor element has a solid electrolytic member, a measurement electrode, and a reference electrode. The measurement electrode is provided on the solid electrolytic member, and is exposed to a measurement gas. Th...
12/24/2002
6451187Air/fuel ratio sensor
A detector for an air/fuel ratio sensor, which is comprised of a structure formed by stacking an oxygen reference electrode, a dense zirconia solid electrolyte, a negative electrode, a porous zirconia solid electrolyte, a positive electrode and a porous p...
09/17/2002
6365021Oxygen sensor
A detecting element is configured such that a second electrode is disposed on one side of a plate-like first electrode with a first solid electrolyte layer positioned therebetween and a third electrode is disposed on the other side of the first electrode ...
04/02/2002
6342151Method of using a gas sensor
A method of measuring oxygen and/or the air-to-fuel lambda ratio and hydrocarbons and/or carbon monoxide in gas mixtures using a gas sensor is provided. To reliably measure a plurality of gaseous components, the sensor is provided with a reference electro...
01/29/2002
6294075Method of controlling and diagnosing the heater of an engine exhaust gas composition sensor
A method of controlling and diagnosing the heater of a sensor sensitive to the composition of the exhaust gas of an engine; the sensor having at least an electrolytic cell sensitive to oxygen ions, and supplying information relative to the ratio of the mi...
09/25/2001
6277267Gas sensor
A method for measurement of nitrogen oxides using a gas sensor. To reliably measure nitrogen oxides, the sensor has a reference electrode representing a constant oxygen partial pressure, at least two electrode pairs, with common a electrode associated wit...
08/21/2001
6270651Gas component sensor
The present invention is an electrolyte composition in bulk, thick film and sputtered thin film form forming with different metal sensing and reference electrodes a highly stable gas component concentration sensor....
08/07/2001
6267857Oxygen sensor with a heater
The invention reduces the activation time of an oxygen sensor with a heater through rapid heating of an oxygen sensing element. A shaft-like heating member is inserted and fixed into an oxygen sensing element of a hollow shaft-like member while a terminal...
07/31/2001
6254765Method of regulating the temperature of a sensor
A method for regulating the temperature of a sensor for determining an oxygen concentration in gas mixtures, in particular in exhaust gases of internal combustion engines, where a detection voltage that corresponds to the oxygen concentration and is suppl...
07/03/2001
6228252Apparatus for detecting concentration of nitrogen oxide
Apparatus for detecting the NOx concentration includes a first measurement chamber 20 communicating with the gas under measurement via a diffusion rate defining layer 4d and a second measurement chamber 26 communicating with the first measurement chamber ...
05/08/2001
6214207Method and apparatus for measuring oxygen concentration and nitrogen oxide concentration
Using a sole Nox sensor Nox concentration and oxygen concentration are measured accurately. A measurement device for measuring NOx concentration and oxygen concentration comprises an NOx sensor 2 having a first measurement chamber 20 communicating via a d...
04/10/2001
6120677Temperature control for all range oxygen sensor
A constant current Iconst is applied to an electromotive force cell which is interposed between a gap (measurement chamber) of a fixed atmosphere and an oxygen reference chamber of a constant oxygen content, for measurement of a resistance value of the el...
09/19/2000
6045673Gas sensor
Disclosed is a gas sensor comprising a first internal space for making communication with the external space via a first diffusion rate-determining section, a first electrochemical pumping cell for controlling the oxygen concentration in the atmosphere in...
04/04/2000
6036841Method for measuring nitrogen oxide
A method for measuring nitrogen oxide (NOx) in a gas by decomposing NOx in the gas and measuring an amount of oxygen generated by the decomposition includes: introducing the gas to a first inner space under a first diffusion resistance and connected with ...
03/14/2000
5976335Gas sensor having a function for minimizing heater leak current
Disclosed is a gas sensor comprising a main pumping cell including a solid electrolyte layer contacting with an external space, and an inner pumping electrode and an outer pumping electrode formed on inner and outer surfaces of the solid electrolyte layer...
11/02/1999
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